Example usage for java.util.zip ZipFile entries

Introduction

In this page you can find the example usage for java.util.zip ZipFile entries.

Prototype

public Enumeration<? extends ZipEntry> entries() 

Source Link

Document

Returns an enumeration of the ZIP file entries.

Usage

From source file:org.geoserver.data.util.IOUtils.java

public static void decompress(final File inputFile, final File destDir) throws IOException {
    ZipFile zipFile = new ZipFile(inputFile);

    Enumeration<? extends ZipEntry> entries = zipFile.entries();

    while (entries.hasMoreElements()) {
        ZipEntry entry = (ZipEntry) entries.nextElement();
        InputStream stream = zipFile.getInputStream(entry);

        if (entry.isDirectory()) {
            // Assume directories are stored parents first then children.
            (new File(destDir, entry.getName())).mkdir();
            continue;
        }/*w w  w  .  j ava2 s .co m*/

        File newFile = new File(destDir, entry.getName());
        FileOutputStream fos = new FileOutputStream(newFile);
        try {
            byte[] buf = new byte[1024];
            int len;

            while ((len = stream.read(buf)) >= 0)
                saveCompressedStream(buf, fos, len);

        } catch (IOException e) {
            zipFile.close();
            IOException ioe = new IOException("Not valid COAMPS archive file type.");
            ioe.initCause(e);
            throw ioe;
        } finally {
            fos.flush();
            fos.close();

            stream.close();
        }
    }
    zipFile.close();
}

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From source file:nz.ac.otago.psyanlab.common.util.FileUtils.java

/**
 * Inflate a pale file to a given working directory.
 * /*  w ww .  jav  a 2  s .  co m*/
 * @param paleFile .pale file to inflate.
 * @param workingDir Path to extract to.
 * @return Path of the location the file was extracted to.
 * @throws FileNotFoundException
 * @throws IOException
 */
public static File decompress(File paleFile, File workingDir) throws FileNotFoundException, IOException {
    ZipFile archive = new ZipFile(paleFile);

    try {
        // Iterate over elements in zip file and extract them to working
        // directory.
        Enumeration<? extends ZipEntry> entries = archive.entries();
        while (entries.hasMoreElements()) {
            ZipEntry ze = entries.nextElement();
            File newFile = new File(workingDir, ze.getName());

            if (ze.isDirectory()) {
                if (!newFile.exists()) {
                    newFile.mkdirs();
                }
                continue;
            }

            if (!newFile.getParentFile().exists()) {
                // Dir tree missing for some reason so create it.
                newFile.getParentFile().mkdirs();
            }

            InputStream in = archive.getInputStream(ze);
            OutputStream out = new BufferedOutputStream(new FileOutputStream(newFile));

            try {
                copy(in, out);
            } finally {
                in.close();
                out.close();
            }
        }
    } finally {
        archive.close();
    }

    return workingDir;
}

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From source file:com.cenrise.test.azkaban.Utils.java

public static void unzip(final ZipFile source, final File dest) throws IOException {
    final Enumeration<?> entries = source.entries();
    while (entries.hasMoreElements()) {
        final ZipEntry entry = (ZipEntry) entries.nextElement();
        final File newFile = new File(dest, entry.getName());
        if (entry.isDirectory()) {
            newFile.mkdirs();// ww w. j  a  v  a2s  . c o  m
        } else {
            newFile.getParentFile().mkdirs();
            final InputStream src = source.getInputStream(entry);
            try {
                final OutputStream output = new BufferedOutputStream(new FileOutputStream(newFile));
                try {
                    IOUtils.copy(src, output);
                } finally {
                    output.close();
                }
            } finally {
                src.close();
            }
        }
    }
}

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From source file:it.geosolutions.tools.compress.file.Extractor.java

/**
 * Inflate the provided {@link ZipFile} in the provided output directory.
 * /*  ww  w .  j a va2s. com*/
 * @param archive
 *            the {@link ZipFile} to inflate.
 * @param outputDirectory
 *            the directory where to inflate the archive.
 * @throws IOException
 *             in case something bad happens.
 * @throws FileNotFoundException
 *             in case something bad happens.
 */
public static void inflate(ZipFile archive, File outputDirectory, String fileName)
        throws IOException, FileNotFoundException {

    final Enumeration<? extends ZipEntry> entries = archive.entries();
    try {
        while (entries.hasMoreElements()) {
            ZipEntry entry = (ZipEntry) entries.nextElement();

            if (!entry.isDirectory()) {
                final String name = entry.getName();
                final String ext = FilenameUtils.getExtension(name);
                final InputStream in = new BufferedInputStream(archive.getInputStream(entry));
                final File outFile = new File(outputDirectory,
                        fileName != null ? new StringBuilder(fileName).append(".").append(ext).toString()
                                : name);
                final OutputStream out = new BufferedOutputStream(new FileOutputStream(outFile));

                IOUtils.copyStream(in, out, true, true);
            }
        }
    } finally {
        try {
            archive.close();
        } catch (Throwable e) {
            if (LOGGER.isTraceEnabled())
                LOGGER.error("unable to close archive.\nMessage is: " + e.getMessage(), e);
        }
    }

}

---

From source file:com.fluidops.iwb.luxid.LuxidExtractor.java

/**
 * extracts a zip-file and returns references to the unziped files. If the file passed to this method
 * is not a zip-file, a reference to the file is returned.
 * // ww w.  j a v a  2 s  .c  o  m
 * @param fileName
 * @return
 * @throws Exception
 */
public static Set<File> extractZip(String fileName) throws Exception {
    File zipf = new File((new StringBuilder("luxid/")).append(fileName).toString());

    Set<File> toBeUploaded = new HashSet<File>();
    if (zipf.getName().endsWith(".zip")) {
        ZipFile zip = new ZipFile(zipf);
        for (Enumeration<? extends ZipEntry> entries = zip.entries(); entries.hasMoreElements();) {
            ZipEntry entry = (ZipEntry) entries.nextElement();
            if (entry.isDirectory()) {
                logger.info((new StringBuilder("Extracting directory: ")).append(entry.getName()).toString());
                GenUtil.mkdir(new File(entry.getName()));
            } else {
                logger.info((new StringBuilder("Extracting file: ")).append(entry.getName()).toString());
                String entryPath = "luxid/" + entry.getName();
                FileOutputStream fileOutputStream = null;
                InputStream zipEntryStream = zip.getInputStream(entry);
                try {
                    fileOutputStream = new FileOutputStream(entryPath);
                    IOUtils.copy(zipEntryStream, fileOutputStream);
                } finally {
                    closeQuietly(zipEntryStream);
                    closeQuietly(fileOutputStream);
                }
                toBeUploaded.add(new File(entryPath));
            }
        }

        zip.close();
    } else {
        toBeUploaded.add(zipf);
    }

    return toBeUploaded;
}

---

From source file:com.dreikraft.axbo.sound.SoundPackageUtil.java

/**
 * Extracts the packageFile and writes its content in temporary directory
 *
 * @param packageFile the packageFile (zip format)
 * @param tempDir the tempDir directory/*ww  w .j a v a 2s . c  o  m*/
 */
public static void extractPackage(File packageFile, File tempDir) throws SoundPackageException {

    if (packageFile == null) {
        throw new SoundPackageException(new IllegalArgumentException("missing package file"));
    }

    ZipFile packageZip = null;
    try {
        packageZip = new ZipFile(packageFile);
        Enumeration<?> entries = packageZip.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = (ZipEntry) entries.nextElement();
            String entryName = entry.getName();
            if (log.isDebugEnabled()) {
                log.debug("ZipEntry name: " + entryName);
            }
            if (entry.isDirectory()) {
                File dir = new File(tempDir, entryName);
                if (dir.mkdirs())
                    log.info("successfully created dir: " + dir.getAbsolutePath());
            } else {
                FileUtil.createFileFromInputStream(getPackageEntryStream(packageFile, entryName),
                        tempDir + File.separator + entryName);
            }
        }
    } catch (FileNotFoundException ex) {
        throw new SoundPackageException(ex);
    } catch (IOException ex) {
        throw new SoundPackageException(ex);
    } finally {
        try {
            if (packageZip != null)
                packageZip.close();
        } catch (IOException ex) {
            log.error(ex.getMessage(), ex);
        }
    }
}

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From source file:org.eclipse.thym.core.internal.util.FileUtils.java

private static void copyFromZip(ZipFile zipFile, String locationInBundle, File destination) throws IOException {

    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    while (entries.hasMoreElements()) {
        ZipEntry zipEntry = entries.nextElement();
        if (zipEntry.getName().startsWith(locationInBundle)) {

            String path = zipEntry.getName().substring(locationInBundle.length());
            File file = new File(destination, path);

            if (!zipEntry.isDirectory()) {
                createFileFromZipFile(file, zipFile, zipEntry);
            } else {
                if (!file.exists()) {
                    file.mkdir();/*from  ww w .j a  v a  2s .c o m*/
                }
            }
        }
    }

}

---

From source file:azkaban.common.utils.Utils.java

public static void unzip(ZipFile source, File dest) throws IOException {
    Enumeration<?> entries = source.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = (ZipEntry) entries.nextElement();
        File newFile = new File(dest, entry.getName());
        if (entry.isDirectory()) {
            newFile.mkdirs();/*  w w  w .ja  va  2 s  .  c o m*/
        } else {
            newFile.getParentFile().mkdirs();
            InputStream src = source.getInputStream(entry);
            OutputStream output = new BufferedOutputStream(new FileOutputStream(newFile));
            IOUtils.copy(src, output);
            src.close();
            output.close();
        }
    }
}

---

From source file:gdt.data.entity.facet.ExtensionHandler.java

public static InputStream getResourceStream(String jar$, String resource$) {
    try {//from ww  w. ja  v  a2s.  c om
        //      System.out.println("ExtensionHandler:loadIcon:jar="+jar$);
        ZipFile zf = new ZipFile(jar$);
        Enumeration<? extends ZipEntry> entries = zf.entries();
        ZipEntry ze;
        String[] sa;
        while (entries.hasMoreElements()) {
            try {
                ze = entries.nextElement();
                sa = ze.getName().split("/");
                //     System.out.println("ExtensionHandler:loadIcon:zip entry="+sa[sa.length-1]);
                if (resource$.equals(sa[sa.length - 1])) {
                    InputStream is = zf.getInputStream(ze);
                    if (is != null)
                        return is;

                }
            } catch (Exception e) {

            }
        }
        return null;
    } catch (Exception e) {
        Logger.getLogger(ExtensionHandler.class.getName()).severe(e.toString());
        return null;
    }

}

---

From source file:gdt.data.entity.facet.ExtensionHandler.java

public static String[] listResourcesByType(String jar$, String type$) {
    try {// w  w  w .  jav a  2  s . c om

        ArrayList<String> sl = new ArrayList<String>();
        ZipFile zf = new ZipFile(jar$);
        Enumeration<? extends ZipEntry> entries = zf.entries();
        ZipEntry ze;
        String[] sa;
        String resource$;
        while (entries.hasMoreElements()) {
            try {
                ze = entries.nextElement();
                sa = ze.getName().split("/");
                resource$ = sa[sa.length - 1];
                //     System.out.println("ExtensionHandler:loadIcon:zip entry="+sa[sa.length-1]);
                if (type$.equals(FileExpert.getExtension(resource$))) {
                    sl.add(resource$);
                }
            } catch (Exception e) {

            }
        }
        return sl.toArray(new String[0]);
    } catch (Exception e) {
        Logger.getLogger(ExtensionHandler.class.getName()).severe(e.toString());
        return null;
    }

}

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